20556002

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1\times {\mathrm{857}}^1$

素因数の和:1105

約数の個数: 16

約数和(自身を含む): 31505760

約数和(自身を除く): 10949758

約数列:

[1, 2, 67, 134, 179, 358, 857, 1714, 11993, 23986, 57419, 114838, 153403, 306806, 10278001, 20556002]

約数ペア:

[(1, 20556002), (2, 10278001), (67, 306806), (134, 153403), (179, 114838), (358, 57419), (857, 23986), (1714, 11993)]